CN219820519U - Injection mold slider mechanism of loosing core - Google Patents

Injection mold slider mechanism of loosing core Download PDF

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Publication number
CN219820519U
CN219820519U CN202321321883.7U CN202321321883U CN219820519U CN 219820519 U CN219820519 U CN 219820519U CN 202321321883 U CN202321321883 U CN 202321321883U CN 219820519 U CN219820519 U CN 219820519U
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China
Prior art keywords
rack
core
inclined guide
lubricating oil
injection mold
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CN202321321883.7U
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Chinese (zh)
Inventor
王雪洪
王景卫
韩鹏昆
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Nanjing Chuangfeng Precision Sheet Metal Manufacturing Co ltd
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Nanjing Chuangfeng Precision Sheet Metal Manufacturing Co ltd
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Abstract

The utility model discloses a core-pulling sliding block mechanism of an injection mold, which relates to the field of injection molds and comprises a rear mold plate and a front mold plate, wherein an inclined guide rod is arranged on the inner side of the front mold plate, a core-pulling sliding block is arranged on the rear mold plate in a sliding manner, an inclined guide hole is arranged in the core-pulling sliding block, a first rack is arranged on the inner side of the core-pulling sliding block, a fixed gear is arranged at the bottom of the first rack, a second rack is meshed with the bottom of the fixed gear, a lubricating oil cavity is arranged in the rear mold plate and is positioned at the second rack, and a sealing plate is connected in the lubricating oil cavity. According to the utility model, the first rack and the second rack are symmetrically arranged, so that when the first rack slides, the second rack slides in the opposite direction, and the lubricating oil in the lubricating oil cavity is extruded into the inclined guide hole, so that the internal inclined guide rod is conveniently lubricated, and the inclined guide rod is not required to be lubricated by stopping in the process, so that the production efficiency of the whole die is further improved.

Description

Injection mold slider mechanism of loosing core
Technical Field
The utility model relates to the field of injection molds, in particular to a core-pulling sliding block mechanism of an injection mold.
Background
The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and precise dimensions, and the injection molding is a processing method used for mass production of parts with complex shapes, specifically, the injection mold is used for injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain the formed products.
When the injection mold is used for producing products, a core pulling structure with an inclined guide rod and an inclined guide hole is usually required to draw out barb holes of the products, the inclined guide rod is fixedly arranged on the fixed template, a core pulling sliding block is arranged on the movable template in a sliding mode, the inclined guide hole is arranged on the core pulling sliding block, and when the mold is opened, the core pulling sliding block is driven to pull the core through the cooperation of the inclined guide rod and the inclined guide hole.
In the existing injection mold, the inclined guide rod and the inclined guide hole are in clearance fit, when the inclined guide rod moves outwards, an outwards pulling force is needed, if the mold is opened and closed back and forth for a long time, the phenomenon that the outer wall of the inclined guide rod is not smooth enough, the inclined guide rod is blocked easily occurs, the subsequent core pulling work is influenced, and a worker is required to smear lubricating oil on the outer wall of the inclined guide rod at regular time.
Disclosure of Invention
Based on the above, the utility model aims to provide a core-pulling sliding block mechanism of an injection mold, so as to solve the technical problems that the outer wall of an inclined guide rod is not smooth enough, the inclined guide rod is easy to be blocked, and the subsequent core-pulling work is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold slider mechanism of loosing core, includes back template and front bezel, the inboard of front bezel is provided with oblique guide arm, the slip is provided with the slider of loosing core on the back template, and is located to break core and run through in the slider be provided with oblique guide arm complex oblique guide hole, the inboard of slider of loosing core is provided with first rack, and is located the bottom of first rack and be provided with rather than meshing the fixed gear that has, the bottom meshing of fixed gear has the second rack, be located second rack department in the back template and be provided with the lubricating oil chamber, and the lubricating oil chamber is L shape setting, the one end that is located the second rack in the lubricating oil chamber is connected with the closing plate.
Through adopting above-mentioned technical scheme, drive its slider of loosing core to one side and slide, first rack can promote the fixed gear and rotate this moment, because first rack and second rack are the symmetry setting, therefore when first rack slides, the second rack can slide with opposite direction, and then make the second rack promote the closing plate with its lubricated oil pocket in lubricating oil to the guide hole in extrudeing to one side, be convenient for lubricate inside oblique guide arm, guarantee its work of loosing core, this process need not shut down and lubricate oblique guide arm, reduce its staff's work burden, and further improve its whole mould's production efficiency.
The utility model is further arranged in a staggered way between the inclined guide rod and the inclined guide hole.
By adopting the technical scheme, when the inclined guide rod is inserted into the inclined guide hole, the core-pulling sliding block is driven to slide inwards, so that the core is pulled conveniently by the die.
The utility model further provides that a return spring is connected between the core pulling sliding block and the rear template.
Through adopting above-mentioned technical scheme, when front template and back template mutually separate, reset spring's reset effect can drive its slider of loosing core to one side and reset and slide, and inclined guide hole no longer is linked together with the lubricating oil chamber this moment, realizes sealing the lubricating oil in its lubricating oil chamber, and when being convenient for follow-up two sets of templates repeat above-mentioned work flow simultaneously, lubricate its inclined guide arm.
The utility model further provides that one side of the lubricating oil cavity is provided with an oil filling hole in a penetrating mode, and a sealing plug is arranged in the oil filling hole.
Through adopting above-mentioned technical scheme, be convenient for the staff jack-up through the oil filler point to its inside injection lubricating oil, the sealing plug can prevent simultaneously that lubricating oil from taking place to leak from the oil filler point in the course of the work.
The utility model is further characterized in that a positioning groove is formed in the inner side of the front template, and a positioning guide post matched with the positioning groove is arranged on the inner side of the rear template.
Through adopting above-mentioned technical scheme, be convenient for fix a position the position of mould on the injection molding machine through the cooperation of constant head tank and location guide pillar, when being convenient for two sets of mould boards of follow-up carry out the compound die simultaneously, can carry out accurate compound die, improve its holistic practicality.
The utility model is further characterized in that an injection molding opening is arranged on the outer side of the front template, and a mold locking buckle is arranged between the front template and the rear template.
Through adopting above-mentioned technical scheme, be convenient for carry out accurate injecting glue through the injection molding mouth injection molding machine, improve its mould fashioned effect, the mode locking is detained simultaneously and is convenient for connect two sets of templates fixedly, is convenient for follow-up common group personnel to change the mould to it.
The utility model is further characterized in that the core pulling sliding block and the rear template are arranged in a smooth way.
By adopting the technical scheme, the sliding friction force between the two is reduced, so that the core-pulling sliding block can be driven to stably slide when the inclined guide rod is inserted into the inclined guide hole.
In summary, the utility model has the following advantages:
according to the utility model, when the die is assembled, the inclined guide rod is inserted into the inclined guide hole of the core-pulling slide block to drive the core-pulling slide block to slide to one side, at the moment, the first rack can push the fixed gear to rotate, and because the first rack and the second rack are symmetrically arranged, when the first rack slides, the second rack can slide in opposite directions, so that the second rack pushes the sealing plate to push lubricating oil in the lubricating oil cavity of the sealing plate to squeeze the lubricating oil into the inclined guide hole, the inner inclined guide rod is convenient to lubricate, the subsequent core-pulling work is ensured, the inclined guide rod is not required to be lubricated by stopping the machine in the process, the work load of workers is reduced, and the production efficiency of the whole die is further improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
fig. 4 is an enlarged view of a of fig. 3 according to the present utility model.
In the figure: 1. a rear template; 2. a front template; 3. an injection molding port; 4. positioning guide posts; 5. an inclined guide rod; 6. a core-pulling sliding block; 7. a sealing plug; 8. locking a mould buckle; 9. oblique guide holes; 10. an oil filling hole; 11. a lubrication oil chamber; 12. a return spring; 13. a first rack; 14. a fixed gear; 15. a second rack; 16. and (5) sealing the plate.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
The utility model provides an injection mold slide block mechanism of loosing core, as shown in fig. 1-4, including back template 1, front template 2, drive mechanism, lubrication mechanism and canceling release mechanical system, through installing front template 2 and back template 1 respectively on the injection molding machine, aim at the injecting glue mouth of its injection molding machine through injection molding mouth 3, during operation injection molding machine promotes its back template 1 to slide to one side, because be the dislocation setting between its oblique guide arm 5 and the oblique guide hole 9, be convenient for when oblique guide arm 5 inserts its oblique guide hole 9, will drive its slide 6 of loosing core inwards slide, extrude return spring 12 simultaneously, be provided with first rack 13 in the inboard of slide 6 of loosing core, as the in-process that slide 6 was slided to loose core, will drive the fixed gear 14 of its bottom and rotate, because first rack 13 and second rack 15 are symmetrical setting, therefore when first rack 13 slides, the second rack 15 slides in the opposite direction under the meshing of the fixed gear 14, so that the second rack 15 drives the sealing plate 16 to slide and extrude in the lubricating oil cavity 11, when the inclined guide rod 5 is completely inserted into the inclined guide hole 9, the inclined guide hole 9 is communicated with the top of the lubricating oil cavity 11 when two groups of templates are assembled, at the moment, the sealing plate 16 pushes lubricating oil in the sealing plate to the inclined guide hole 9 under the pushing of the second rack 15, so that the lubricating of the inclined guide rod 5 in the sealing plate is facilitated, the subsequent core pulling work is ensured, the inclined guide rod 5 is not required to be lubricated in the process, the workload of workers is reduced, the production efficiency of the whole die is further improved, a die locking buckle 8 is arranged between the front template 2 and the rear template 1, the two groups of templates are conveniently connected and fixed through the die locking buckle 8, the subsequent group personnel are convenient to replace the mould.
Referring to fig. 1, 2 and 3, a return spring 12 is connected between the core-pulling slide block 6 and the rear mold plate 1, when the front mold plate 2 and the rear mold plate 1 are separated from each other, the core-pulling slide block 6 is driven to return to one side by the return action of the return spring 12, and at this time, the inclined guide hole 9 is not communicated with the lubricating oil cavity 11, so as to seal the lubricating oil in the lubricating oil cavity, and simultaneously, the inclined guide rod 5 is convenient to lubricate when the two subsequent groups of mold plates repeat the working process.
Referring to fig. 1 and 2, an oil filling hole 10 is formed in one side of an oil filling cavity 11, a sealing plug 7 is arranged in the oil filling hole 10, a worker can jack up the oil filling hole through the oil filling hole 10 to fill the oil into the oil filling cavity, meanwhile, the sealing plug 7 can prevent the oil from leaking from the oil filling hole 10 in the working process, a positioning groove is formed in the inner side of a front template 2, a positioning guide pillar 4 matched with the positioning guide pillar is arranged on the inner side of the side of a rear template 1, the mold is conveniently positioned on the injection molding machine through the matching of the positioning groove and the positioning guide pillar 4, and meanwhile, when two groups of follow-up templates are conveniently clamped, accurate clamping can be performed, and the overall practicability of the mold is improved.
The working principle of the utility model is as follows: when the novel core pulling device is used, the rear template 1 is pushed to approach the front template 2 through the injection molding machine, the inclined guide rod 5 on the front template 2 can be inserted into the inclined guide hole 9 of the core pulling sliding block 6, and the inclined guide rod 5 on the front template 2 is arranged in a dislocation mode, so that the core pulling sliding block 6 can slide inwards, at the moment, the first rack 13 on one side of the core pulling sliding block 6 can drive the fixed gear 14 in the core pulling sliding block to rotate, so that the second rack 15 can drive the sealing plate 16 to push in the opposite direction, and the lubricating oil in the lubricating oil cavity 11 of the second rack can be pushed into the inclined guide hole 9, so that the lubricating effect on the inclined guide rod 5 in the inclined guide hole 9 is achieved, and the subsequent core pulling operation is guaranteed.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. The utility model provides an injection mold slider mechanism of loosing core, includes back template (1) and front template (2), its characterized in that: the inner side of front mould board (2) is provided with oblique guide arm (5), the slip is provided with on back mould board (1) and looses core slider (6), and be located and run through in core slider (6) be provided with oblique guide arm (5) complex inclined guide hole (9), the inboard of loosing core slider (6) is provided with first rack (13), and be located the bottom of first rack (13) be provided with rather than meshing fixed gear (14) that has, the bottom meshing of fixed gear (14) has second rack (15), be located second rack (15) department in back mould board (1) and be provided with lubricating oil chamber (11), and lubricating oil chamber (11) are L shape setting, the one end that is located second rack (15) in lubricating oil chamber (11) is connected with closing plate (16).
2. The injection mold core-pulling slide mechanism according to claim 1, wherein: the inclined guide rod (5) and the inclined guide hole (9) are arranged in a staggered mode.
3. The injection mold core-pulling slide mechanism according to claim 1, wherein: a return spring (12) is connected between the core-pulling sliding block (6) and the rear template (1).
4. The injection mold core-pulling slide mechanism according to claim 1, wherein: one side of the lubricating oil cavity (11) is provided with an oil filling hole (10) in a penetrating mode, and a sealing plug (7) is arranged in the oil filling hole (10).
5. The injection mold core-pulling slide mechanism according to claim 1, wherein: the inner side of the front template (2) is provided with a positioning groove, and the inner side of the rear template (1) is provided with a positioning guide post (4) matched with the side of the rear template.
6. The injection mold core-pulling slide mechanism according to claim 1, wherein: the outside of front mould board (2) is provided with injection molding mouth (3), and is located and is provided with mode locking knot (8) between front mould board (2) and rear mould board (1).
7. The injection mold core-pulling slide mechanism according to claim 1, wherein: the core-pulling sliding block (6) and the rear template (1) are arranged in a smooth mode.
CN202321321883.7U 2023-05-29 2023-05-29 Injection mold slider mechanism of loosing core Active CN219820519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321321883.7U CN219820519U (en) 2023-05-29 2023-05-29 Injection mold slider mechanism of loosing core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321321883.7U CN219820519U (en) 2023-05-29 2023-05-29 Injection mold slider mechanism of loosing core

Publications (1)

Publication Number Publication Date
CN219820519U true CN219820519U (en) 2023-10-13

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Application Number Title Priority Date Filing Date
CN202321321883.7U Active CN219820519U (en) 2023-05-29 2023-05-29 Injection mold slider mechanism of loosing core

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117570188A (en) * 2024-01-17 2024-02-20 潍坊斯瑞德机械有限公司 Novel transfer case transmission mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117570188A (en) * 2024-01-17 2024-02-20 潍坊斯瑞德机械有限公司 Novel transfer case transmission mechanism
CN117570188B (en) * 2024-01-17 2024-04-02 潍坊斯瑞德机械有限公司 Novel transfer case transmission mechanism

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